Short answers, pulled from the story.
John Ledford founded Sentai Filmworks in 2008 to acquire the majority of A.D. Vision's titles after that company went defunct. Ledford previously established A.D. Vision on the 17th of August 1992 with Matt Greenfield.
Sentai Filmworks launched a GoFundMe appeal on the 18th of July 2019 following the arson attack at Kyoto Animation. The campaign targeted US$750,000 but eventually reached $2,370,910 at closing.
AMC Networks acquired Sentai Filmworks and its parent company Sentai Holdings, LLC on the 5th of January 2022. The acquisition included the HIDIVE streaming service and the Anime Network.
Akame ga Kill! premiered on the Toonami programming block on the 8th of August 2015. The series became one of the most watched programs in the block's history with over 1.8 million viewers.
Sentai Filmworks has no relation to the Super Sentai media franchise despite the similar name. This distinction clarifies the company's identity as an American entertainment company focused on anime distribution.